<!--
 * @Author: YZH_skr 1941972061@qq.com
 * @Date: 2023-04-07 20:27:38
 * @LastEditors: YZH_skr 1941972061@qq.com
 * @LastEditTime: 2023-04-08 19:45:49
 * @FilePath: \code\JS20230407.html
 * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
-->
<!DOCTYPE html>
<html lang="ch">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>YZH</title>
</head>
<body>
    <script>
        // console.log("输出一条日志");
        // console.info("输出一条信息");
        // console.warn("输出一条警告");
        // console.error("输出一条错误");

        // console.log(typeof 123);
        // console.log(typeof "hello");
        // console.log(typeof true);
        // console.log(typeof undefined);
        // console.log(typeof null);
        // console.log(typeof Infinity);
        // console.log(typeof NaN);
        
        


    </script>
</body>
</html>